Saved Bookmarks
| 1. |
Show that f(x) = [3/x + 5] is decreasing for all x ∈ R, where x ≠ 0. |
|
Answer» It is given that f(x) = [3/x + 5] By differentiating w.r.t. x f’(x) = 3(-1/x2) = -3/x2 < 0 for all value of R Therefore, f(x) is decreasing for all x ∈ R, where x ≠ 0. |
|